Ben Carson’s appointment to head the Department of Housing and Urban Development likely would mean trouble for President Obama’s new housing diversity rule and would put a noted skeptic of many government anti-poverty programs in control of many of them.

President-elect Trump on Monday named his one-time presidential rival as his nominee to lead HUD, which will leave many housing advocates to wonder what the famed former neurosurgeon’s agenda is, given that he has no record on housing-related issues.